package com.maigu.controller;

import com.maigu.config.ProjectUrlConfig;
import com.maigu.enums.ResultEnum;
import com.maigu.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.net.URLEncoder;

@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {
    @Autowired
    private WxMpService wxMpService;
    @Autowired
    private WxMpService wxOpenService;
    @Autowired
    private ProjectUrlConfig projectUrlConfig;
    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl)
    {
        //配置

        //调用方法
        //String Url=projectUrlConfig.wechatMpAuthorize+"/sell/wechat/userInfo";
        String Url="http://linwei.mynatapp.cc/sell/wechat/userInfo";
        String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(Url, WxConsts.OAUTH2_SCOPE_USER_INFO, URLEncoder.encode(returnUrl));
        return "redirect:"+redirectUrl;
        //return redirectUrl;
    }
    @GetMapping("/userInfo")
    public  String userInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl)

    {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try
        {
         wxMpOAuth2AccessToken=wxMpService.oauth2getAccessToken(code);
        }catch(WxErrorException e)
        {
            log.error("[微信公众号网页授权]{}",e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;

    }
    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl)
    {
       String url=projectUrlConfig.getWechatOpenAuthorize()+"/sell/wechat/qrUserInfo";
       String redirectUrl=wxOpenService.buildQrConnectUrl(url,WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN,URLEncoder.encode(returnUrl));
       return "redirect:"+redirectUrl;
    }
    @GetMapping("qrUserInfo")
    public String qrUserInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl)
    {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try
        {
            wxMpOAuth2AccessToken=wxOpenService.oauth2getAccessToken(code);
        }catch(WxErrorException e)
        {
            log.error("[微信公众号网页授权]{}",e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;
    }

}
